EC point all sites should be confirmed in user testing

Making a good UX EC site leads to low cart abandonment rate.
The blog below tells us 3 important point to achieve it.
http://blog.usabilla.com/3-things-every-ecommerce-business-user-test/
1.Do user test to avoid low cart abandonment rate.
2.Since customers on EC site cannot take products on hands, try to describe goods in full variety as possible.
3.Place important information such as shipping policy and contact information to findable place.

Following entry is in Japanese translation with some sample.
http://bit.ly/1i66ANW